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High quality and performance sailplanes & trailers

Diana 3 FES - 18 meter class

Diana 3 - FES - Experimental

We took the famous high performing Diana 3 -18 metre flapped FAI-class sailplane and installed a 26 kW electrical FES-engine in the nose with automatic folding propeller which makes this glider a Self-Sustainer!

As a Self-Sustainer this glider can maintain altitude on the engine for maximum 1 continuous hour to reach back home or climb when you have sinked to low for lift/thermals but also as a lifeline in dangerous situations.


Today the Diana 3 FES can only be offered/delivered as an "Experimental" glider, but in the future we will go into the certification process. Check your country for the regulations on flying "Experimental" gliders!

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Diana 3 FES - Specifications

Wing span 
Fuselage length

Wing area

Aspect ratio

Empty mass

Max all-up mass

Stall speed

Best L/D 

Max Vne

Wing loading

Engine Power

18.000 mm / 59ft

6.430 mm/ 21ft

1.350 mm / 4.43ft

10,46 m² / 112,5 ft²


306 kg / 674 Lbs

600 kg / 1322 Lbs

70 km/h / 37,7 knots


270 km/h / 145.7 knots

28-58kg/m² / 5.73-11.85 lb/ft²

26 kW

Starting at EUR 115.000 excl VAT

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